diff options
| author | Rudolf Marek <r.marek@assembler.cz> | 2006-09-24 21:23:26 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2006-09-28 15:31:18 -0700 |
| commit | ccc5c306957bb7fbaef61de249bac4b0f09f2336 (patch) | |
| tree | 484101b931764f176ce027566b35cb7a93a6749b /drivers/hwmon/w83l785ts.c | |
| parent | 311ce2efb1b640584676fc1b0b7f16c5baf85eb8 (diff) | |
| download | lwn-ccc5c306957bb7fbaef61de249bac4b0f09f2336.tar.gz lwn-ccc5c306957bb7fbaef61de249bac4b0f09f2336.zip | |
w83l785ts: Fix unchecked return status
w83l785ts: Fix unchecked return status
Fix the w83l785ts driver. Add error checking to device_create_file
and also care to destroy the files upon exit.
Signed-off-by: Rudolf Marek <r.marek@assembler.cz>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/hwmon/w83l785ts.c')
| -rw-r--r-- | drivers/hwmon/w83l785ts.c | 28 |
1 files changed, 20 insertions, 8 deletions
diff --git a/drivers/hwmon/w83l785ts.c b/drivers/hwmon/w83l785ts.c index 3f2bac125fb1..a3fcace412f0 100644 --- a/drivers/hwmon/w83l785ts.c +++ b/drivers/hwmon/w83l785ts.c @@ -236,21 +236,30 @@ static int w83l785ts_detect(struct i2c_adapter *adapter, int address, int kind) * Nothing yet, assume it is already started. */ + err = device_create_file(&new_client->dev, + &sensor_dev_attr_temp1_input.dev_attr); + if (err) + goto exit_remove; + + err = device_create_file(&new_client->dev, + &sensor_dev_attr_temp1_max.dev_attr); + if (err) + goto exit_remove; + /* Register sysfs hooks */ data->class_dev = hwmon_device_register(&new_client->dev); if (IS_ERR(data->class_dev)) { err = PTR_ERR(data->class_dev); - goto exit_detach; + goto exit_remove; } - device_create_file(&new_client->dev, - &sensor_dev_attr_temp1_input.dev_attr); - device_create_file(&new_client->dev, - &sensor_dev_attr_temp1_max.dev_attr); - return 0; -exit_detach: +exit_remove: + device_remove_file(&new_client->dev, + &sensor_dev_attr_temp1_input.dev_attr); + device_remove_file(&new_client->dev, + &sensor_dev_attr_temp1_max.dev_attr); i2c_detach_client(new_client); exit_free: kfree(data); @@ -264,7 +273,10 @@ static int w83l785ts_detach_client(struct i2c_client *client) int err; hwmon_device_unregister(data->class_dev); - + device_remove_file(&client->dev, + &sensor_dev_attr_temp1_input.dev_attr); + device_remove_file(&client->dev, + &sensor_dev_attr_temp1_max.dev_attr); if ((err = i2c_detach_client(client))) return err; |